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Thanks to this ever-growing and enthusiastic community, there are several options for split scooped keyboard designs and if you are willing to put some effort into printing and building a pair, you can have your very own as well. However, once I began to play around with them, they raised more questions than what they seemed fix: typing experience of thumb cluster and pinkie columns improved, but still felt awkward at times, necessity to still move my wrist in order to access inner index columns, why not account the key orientations and contour radius to actual fingers motion? etc. etc. I could no longer justify why I need to suffer physically by design concepts of kind and knowledgeable, yet intangible netizen smug with their take on this modern torturing device. I want in on smugness quotas, too. So began my financial woe and mental suffering... And here you are, dredging up this repo page somehow and before your waning attention span exhaust, I will attempt to describe my concepts and experiences of this process in details you have never asked for.
Mapping finger flexion to a placement function: To achieve a minimum finger movement, more aggressive row wise contour is desirable. Let us define two arcs of a finger tip during a flexion: inner (distal and intermediate flexion) and outer(distal, intermediate, proximal flexion) with palm side of metacarpal phalangeal joint as the origin. These arcs are mapped to a parametric functions defining the radius of an arc at a given angle from origin with 0° as neutral full extension and 90° as full flexion. They simulate trigger motion and grab motion respectively and it is assumed that optimal row placements of keys reside somewhere between two such functions.
